Did you know? A bicycle is a marvel of engineering efficiency, one where an investment in 22 pounds of metal and rubber boosts the efficiency of an individual mobility by a factor of three. On my bike I estimate that I get easily 7 miles per potato. For more information view the text and data in Chapter 6 of Plan B 4.0: Mobilizing to Save Civilization.

Nature Reviews The Great Transition

April 01, 2015

"This lucid overview of world energy is surprisingly devoid of gloom. With colleagues at the Earth Policy Institute in Washington DC, environmental analyst Lester Brown suggests that the hold of fossil fuels is finally weakening," writes Daniel Cressey of Nature. Click here for more.